Topic: evaporation

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How to Make a Cloud in Your Mouth – Physics Girl

To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...

Shade balls roll into the LA Reservoir to prevent water evaporation

How do you keep your recycled water from evaporating during a state-wide drought? Shade balls. On August 10, 2015, Los Angeles Mayor Eric Garcetti joined the LA Department of Water and Power to roll 20,000 black, 4-in...

A solid, liquid, & gas at the same time – The Triple Point

How can a chemical be a solid, a liquid, and a gas at the same time? In the video above, a clear liquid called cyclohexane is experiencing the perfect pressure and temperature combination for its solid, liquid, and ga...

Stanford researchers solve the mystery of the dancing droplets

This beautifully-made video about a beautifully-colored series of experiments from a Stanford research team showcases how a observing a few droplets of food coloring -- made of water and propylene glycol -- have led t...

It’s Okay to Be Smart: Why Do Clouds Stay Up?

Clouds are filled with so many water droplets that they're actually heavy... like 100 elephants heavy or a 747 airplane heavy! So why don't clouds fall out of the sky? It's Okay to Be Smart's Joe Hanson explains every...

Throwing a pot full of just-boiled water into the -41C air

What happens when you throw a pot full of just-boiled water into the -41C air? Dmitry Klimensky in Novosibirsk, Russia demonstrates. Related reading: Mpemba effect: Why hot water can freeze faster than cold. Thanks...